Santa Clara floods after a dike broke Tuesday, Sept. 11, 2012. The Ivins City Council voted to approve to the Tuacahn Wash Detention Basin, a project which is expected to provide flood control.

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The Ivins City Council approved a $592,000 contract Thursday to build a detention basin on the wash that sent flash flood waters downstream and into several Santa Clara homes during a storm two months ago.

Ivins Mayor Chris Hart said the city's Tuacahn Wash Detention Basin project has been "a long, frustrating process" in the works for more than 15 years. It took three tries to find common ground between state and design engineers over the project's impact on the environment while ensuring the detention dam would meet modern standards, he said.